Table 4.

Areas of ROC Curves Separated by Diagnostic Groups

Diagnostic Group	Area of ROC curve for SS defined by ESS	Area of ROC curve for SS defined by MSL (10 min)	Area of ROC curve for ESS defined by MSL (10 min)	Area of ROC curve for SS defined by MSL (5 min)	Area of ROC curve for ESS defined by MSL (5 min)
Sleep Apneics	0.67	0.61	0.51	0.52	0.51
(n = 133)	(p = 0.002)	(p = 0.0423)	(p = 0.8892)	(p = 0.7043)	(p = 0.8112)
Non-Sleep Apneics*	0.74	0.64	0.74	0.57	0.62
(n = 160)	(p < 0.0001)	(p = 0.009)	(p < 0.0001)	(p = 0.1289)	(p = 0.007)
Narcoleptics	0.86	Data	Data	0.51	0.64
(n = 27)	(p = 0.0052)	inconclusive**	inconclusive**	(p = 0.9606)	(p = 0.2267)

^*All other subjects, including those diagnosed with other sleep disorders

^**Only 2 subjects had an MSL > 10 min